Sorry, I can't think of an easy way to do this. It is possible for two adjacent vertices to be in two voxels that only share an edge or a corner and not necessarily a face. Maybe if you increase the size of the mesh (and so reduce the distance between vertices) you will not run into this problem. I don't know of a command off hand that will do this, but I think Bruce may have something.
On 06/24/2016 07:33 AM, MIKHAEL Shadia wrote:
Hello,
I am interested in the cortical parcellations at the pial (grey matter) and white matter layers
I have extracted grey matter (pial) and white matter (white) labels for a gyrus (right superior frontal gyrus, label 2028)
mri_annotation2label --subject s1/12copy --hemi rh --labelbase ./12copy/label/rh.cortex --surface pial
mri_annotation2label --subject s1/12copy --hemi rh --labelbase ./12copy/label/rh.cortex --surface white
then converted the above 2 files (renamed to ...-wm and ...-gm) for the superior frontal gyrus to nifti's for viewing in other applications
mri_label2vol --label ./label/rh.cortex-028.label --o rh-cortex-028-rsfg-wm.nii --identity --temp ./mri/T1.mgz
mri_label2vol --label ./label/rh.cortex-028.label --o rh-cortex-028-rsfg-gm.nii --identity --temp ./mri/T1.mgz
My goal is to run some statistics on 2 nifti's, which requires continuity in the nonzero voxels, in at least 1 of the 3 directions (x/y/z). This isn't the case for this gyri, particularly at the pial layer (shown in blue in the attachment). Is there a way in which this could be achieved? Have I missed any steps?
Many thanks in advance.
Shads
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